Measure your face properly for a good fit.
The metal nose bar combined with the foam guard underneath on the filter insert make a great combo for blocking the dreaded steamed glasses;... I've had no issue with this. But in saying that I do believe (from reading other folks saying it was an issue) it all comes down to ordering the right sized mask, the contours of your face, and wearing\using the mask properly.
This mesh mask is just so light weight you will (in my opinion) get use to wearing it quickly.
I do feel the replacement filters could be better priced.
To me the value of the mask would be a decent consumer value at $25 with sh
I only paid $28 11-2018
$35 is Just a bit too much for materials verses mark-up